akovalenko/lnd.xprv
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

lnwire/features: add SerializeSize32 for base32 encodings

Browse Source
This commit is contained in:
Conner Fromknecht 2019-08-26 12:54:04 -07:00
parent 3868bdc490
commit 2953f3532a
No known key found for this signature in database
GPG Key ID: E7D737B67FA592C7
1 changed files with 15 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
lnwire/features.go
View File

@ -127,6 +127,20 @@ func (fv *RawFeatureVector) Unset(feature FeatureBit) {
// SerializeSize returns the number of bytes needed to represent feature vector
// in byte format.
func (fv *RawFeatureVector) SerializeSize() int {
// We calculate byte-length via the largest bit index.
return fv.serializeSize(8)
}
// SerializeSize32 returns the number of bytes needed to represent feature
// vector in base32 format.
func (fv *RawFeatureVector) SerializeSize32() int {
// We calculate base32-length via the largest bit index.
return fv.serializeSize(5)
}
// serializeSize returns the number of bytes required to encode the feature
// vector using at most width bits per encoded byte.
func (fv *RawFeatureVector) serializeSize(width int) int {
// Find the largest feature bit index
max := -1
for feature := range fv.features {
@ -139,8 +153,7 @@ func (fv *RawFeatureVector) SerializeSize() int {
return 0
}
// We calculate byte-length via the largest bit index
return max/8 + 1
return max/width + 1
}
// Encode writes the feature vector in byte representation. Every feature